Mauro Agnoletti: Historical research and landscape analysis. The case of Tuscany (Italy) Between 1999 and 2002 a research project entitled “Analysis and Management of Forest and Rural Landscapes” has been carried out for the Tuscan Regional Government. One of the goals of the study was to asses a method in order to make historical investigation a necessary tool in planning and management of lan...

Our understanding of how chromatin structure influences cellular processes such as transcription and replication has been limited by a lack of nucleosome-positioning data in human cells. We describe a high-resolution microarray approach combined with an analysis algorithm to examine nucleosome positioning in 3,692 promoters within seven human cell lines. Unlike unexpressed genes without transcr...

We summarize the work done by the European working group on Higgs Particles for the Workshop " Physics with e + e − Linear Colliders " , Annecy–Gran Sasso– Hamburg, Feb.–Sept. 1995. The main focus will be on the physics possibilities at a second phase e + e − linear collider with a center of mass energy of ∼ 1.5 TeV.

Vertebrate body axis formation depends on a population of bipotential neuromesodermal cells along the posterior wall of the tailbud that make a germ layer decision after gastrulation to form spinal cord and mesoderm. Despite exhibiting germ layer plasticity, these cells never give rise to midline tissues of the notochord, floor plate and dorsal endoderm, raising the question of whether midline ...

Cytochrome P450 (P450) enzymes play a critical role in the activation and detoxication of many neurotoxic chemicals. Although research has largely focused on P450-mediatedmetabolism in the liver, emerging evidence suggests that brain P450s influence neurotoxicity by modulating local metabolite levels. As a first step toward better understanding the relative role of brain P450s in determining ne...

* One of the authors (F.R.) was supported by grant PF-244 from the American Cancer Society. Present address: Department of Biochemistry, Michigan State University, East Lansing, Michigan. t Present address: Department of Chemistry, Princeton University, Princeton, New Jersey. 1 Madison, J. T., and R. W. Holley, Biochem. Biophys. Res. Commun., 18, 153 (1965). 2 Zachau, G. F., D. D'Utting, and H....

Family Planning Perspectives In 1996, as well, the Food and Drug Administration (FDA) took significant steps toward approving the use of medical (nonsurgical) abortion in the United States, essentially by “preapproving” the use of mifepristone, popularly known as RU 486, as an abortifacient; final approval is pending information on manufacturing and labeling. In addition, FDA cleared the way fo...

Cytochrome P450 (P450) enzymes play a critical role in the activation and detoxication of many neurotoxic chemicals. Although research has largely focused on P450-mediatedmetabolism in the liver, emerging evidence suggests that brain P450s influence neurotoxicity by modulating local metabolite levels. As a first step toward better understanding the relative role of brain P450s in determining ne...

Sward composition and structure influence herbage intake of grazing animals. We conducted a grazing study to examine how forage mixture complexity affected sward structure. Replicated 1-ha pastures (Hagerstown silt loam soil: fine, mixed, semiactive, mesic, Typic Hapludalf) were planted to either orchardgrass (Dactylis glomerata L.) and white clover (Trifolium repens L.) or a nine-species mixtu...

Bulgular: PCR esas alındığında, RSV tanısında HAT’ın duyarlılığı %90, özgüllüğü %78.5 idi. RSV pnömonili hastalardan dördünde atriyal septal defekt (ASD) saptandı ve hepsi mekanik ventilasyon desteği gerektirdi. Birinci gün Downes skoru intravenöz sıvı gereksinimi (p= 0.001, r= 0.48), toplam oksijen desteği (p= 0.000, r= 0.63), tekrar beslenmeye başlama süresinin uzunluğu (p= 0.001, r= 0.46) il...